Chain guard



FIG. 1 is a front elevational view of the chain guard showing our newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view of the right side thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a side elevational view of the left side thereof.

The ornamental dseign for a chain guard, as shown and described.